After allowing four runs in three and one-third innings to the Phillies on Tuesday, an outing which boosted his ERA to 5.09, Giants manager Bruce Bochy moved him from the starting rotation to the bullpen. He was scheduled to start on Sunday against the Rays, but Guillermo Moscoso will get the nod instead. Additionally, Ryan Vogelsong is a week away from returning, so the Giants have several options while Zito takes a break.

More from CSN Bay Area’s Andrew Baggarly:

“Sometimes it’s just time for a change,” said Bochy, whose club is 0-9 in Zito’s starts away from AT&T Park. “You get in a rut and it’s just kind of been that kind of year for Barry. He pitched so well last year. But we did this in 2011, backed him off, and he pitched well.

“How long this is going to be, I couldn’t tell you.”

At 48-59 in last place in the NL West, the Giants will use at least some of the remaining two months to see what they have in Moscoso and Vogelsong. Moscoso was acquired in a trade with the Cubs on July 26, while Vogelsong has been out with a fractured pinky since May 21.

It’ll be interesting to see how they retool, now that there’ll be quite a bit of money coming off the books. Don’t know who’ll be out there in the offseason, but they’ll definitely need to find out. It’s not like the farm system is going to supply the talent they’ll need to compete. They need reliable run producers at several positions.